Can you work out how to produce the right amount of chemical in a
temperature-dependent reaction?

Stereoisomers

Stage: 5 Challenge Level:

You may well find this problem difficult, as it requires three
dimensional visualisation of two dimensional images. If you cannot
manage this in your head, why not try:

-Using a free chemical drawing program, such as 'Chemsketch' to
draw and rotate the molecules.
-Using a modelling kit to construct the molecules, so that you can
rotate them to see if they can be superimposed.
-Try using your hands! This may prove difficult for molecules with
several substituents!!

The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the
NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to
embed rich mathematical tasks into everyday classroom practice. More information on many of our other activities
can be found here.